steve centanni is live with that story. >> reporter: sergeant john peck received the keys a little while ago. we are standing inside the 2500 square foot house near fredericks pw*uurg. it was given to him by two foundations. there was a ceremony to hand over the keys. it's a nice new house and especially designed for sergeant peck so that he can he's lie access everything in this building, and the hero himself who lost four limbs in afghanistan who says he's not a hero is here with us right now. sergeant john peck. how do you like your new house. >> it's amazing, i love it. can't wait to play around with all the buttons and everything. >> reporter: very high-tech isn't it. >> oh, yeah. >> reporter: why do you say you're not a hero. >> because i really do not consider myself a hero. i was just the unfortunate one to step on an i ed. i really think the unsunk heroes, the guys who did not come back are the real true heros that deserve more. >> reporter: an ied in iraq and another one in afghanistan. why did you go back? >> because i love my job, it's fun. i mean i get to have brothers, and